gfx: Make conversions from gfx::Point to PointF explicit.

chrome/browser/android/compositor/layer/contextual_search_layer.cc

Index: chrome/browser/android/compositor/layer/contextual_search_layer.cc
diff --git a/chrome/browser/android/compositor/layer/contextual_search_layer.cc b/chrome/browser/android/compositor/layer/contextual_search_layer.cc
index 404446ef6c851fd1cbc509466f7535d96ef132ff..9c41633df2e99220b8770c0f0eb8990fb72afc4e 100644
--- a/chrome/browser/android/compositor/layer/contextual_search_layer.cc
+++ b/chrome/browser/android/compositor/layer/contextual_search_layer.cc
@@ -106,9 +106,8 @@ void ContextualSearchLayer::SetProperties(
   panel_shadow_->SetBorder(panel_shadow_resource->Border(shadow_bounds));
   panel_shadow_->SetAperture(panel_shadow_resource->aperture);
   panel_shadow_->SetBounds(shadow_bounds);
-  gfx::Point shadow_position(
-      -shadow_res_padding.origin().x(),
-      -shadow_res_padding.origin().y());
+  gfx::PointF shadow_position(-shadow_res_padding.origin().x(),
+                              -shadow_res_padding.origin().y());
   panel_shadow_->SetPosition(shadow_position);
 
   // ---------------------------------------------------------------------------